[英]SQL Query to insert values from one table into another
我有一個2表結構:
RID; Name; LP
E F 1
E F 2
E F 3
E F 12
E F 152
LP
1
2
3
12
152
...
156
157
180
itd.
查詢類似於:
Insert into TableA(RID, Name, LP) Values ('E', 'F', Select LP from TableB)
我想要實現:
RID; Name; LP
E F 1
E F 2
E F 3
E F 12
E F 152
E F 156
E F 157
E F 180
etc.
你很親密 嘗試
INSERT INTO TableA(RID, Name, LP)
SELECT 'E', 'F', LP FROM TableB
-- Omit this where clause, if duplicate LP's are OK
WHERE TableB.LP NOT IN (SELECT LP FROM TableA)
Insert into TableA(RID, Name, LP)
Select
'E', 'F', LP
from
TableB
從[OLD_TABLE]中選擇*進入[NEW_TABLE]
請享用。
我提出的“快速而骯臟”的解決方案是:
Insert into TableA(RID, Name, LP) Values ('E', 'F', Select LP from TableB where rowid = 1)
Insert into TableA(RID, Name, LP) Values ('E', 'F', Select LP from TableB where rowid = 2)
...
等等...
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